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Therapeutic erythroapheresis: Experience in patients with polycythemia vera and secondary erythrocytosis.

Medicina Clínica 2020 January 11
UNLABELLED: Therapeutic erythrocytapheresis (TE) is a more efficient strategy compared to phlebotomy to deplete levels of haematocrit in primary and secondary erythrocytosis.

OBJECTIVE: To analyse response rate and safety profile of TE in polycythemia vera (PV) and secondary erythrocytosis (SE).

PATIENTS AND METHOD: Retrospective review of all patients with PV or SE treated with TE, due to phlebotomy failure, or comorbidities that prevented changes of blood volumen.

RESULTS: 217 TE sessions (48 PV and 79 SE) corresponding to 20 patients (12 ES and 8 PV). Response were achieved in 87.5% of PV patients and in 50% of SE patients. Adverse effects related to TE performance occurred in 7.08%.

CONCLUSION: Despite our small sample size and the heterogeneous nature of the patients included, we can postulate that TE is a secure strategy that can achieve haematocrit depletion in a shorter time than phlebotomy, specifically in PV patients and in selected cases of SE with expected haemodynamic intolerance to phlebotomies or in patients who fail to respond to phlebotomies.

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